Serna-Landivar, J.L. et al. 2026. Topological Optimization of the Femoral Stem: A Comparative Study between Titanium Ti-6Al-4V and Cobalt-Chromium Alloy. International Journal of Online and Biomedical Engineering (iJOE). 22, 01 (Jan. 2026), pp. 164–177. DOI:https://doi.org/10.3991/ijoe.v22i01.58385.